My daughter just loves little cars. So instead of stepping on them each and everyday. I saved a bunch of the apple juice containers. Cleaned them out, cut a hole in the front of them and made her some "garages" to park her cars in when she is done playing with them. We have 6 "garages" of parked cars on her play shelf.
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I remembered seeing somewhere that someone took old drawers and repurposed them into knicknack shelves. Now I have a attractive display shelf for some of my Hot-Wheels die cast cars.
First go to any discount store and purchase see through fishing tackle type boxes of various sizes and place your child's toy trains, or hot wheel cars in them.